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发明名称
Improvements in or relating to slope meters
摘要
申请公布号
GB581873(A)
申请公布日期
1946.10.28
申请号
GB19440012914
申请日期
1944.07.06
申请人
ASA DEVLIN FOSTER
发明人
分类号
G01C9/10
主分类号
G01C9/10
代理机构
代理人
主权项
地址
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